These Duraflex ER - M side skirts rocker panels are perfect for BMW enthusiasts who own a 2008 - 2013 M3 E92 2 - door coupe. Whether you're driving on the city streets or hitting the track, these side skirts will enhance your car's appearance. They are made of FRP material which is both lightweight and strong. Although the exact dimensions and weight aren't given, you can expect a well - crafted product that's designed to fit your car perfectly. Professional installation is a must to ensure a seamless look.